#pragma once
#include "BieuThuc.h"
class BieuThucHang: public BieuThuc
{
private: 
	int m_iHangSo;
public:
	BieuThucHang(void);
	BieuThucHang(int hangso);
	BieuThuc* daoHam();
	~BieuThucHang(void);
};

